Field Replaceable Units
Figure 4: NCS-57B1 Power Supply Unit
The NCS-57C3-MOD router has 2 PSUs that install into the chassis from the front. The PSUs have a capacity
of 1600W and works with 1+1 redundancy. The PSU can be AC to DC or DC to DC type. The PSUs provide
12V primary power to the entire system.
The router supports these PSUs:
• NC57-1600W-ACFW — 1600W AC power supply module with port-side air intake
• NC57-1600W-DCFW — 1600W 48VDC power supply module with port-side air intake
Figure 5: NCS-57C3-MOD AC Power Supply Unit
Hardware Installation Guide for Cisco NCS 5700 Series Fixed-Port Routers
6
NCS 5700 Router Overview